6tqo

rrn anti-termination complex

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Inositol monophosphatase

Escherichia coli

UniProt A0A5B7PBT3

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A5B7PBT3_ECOLX
Isoform —
PDB entities 1
Chains and sequence ranges Author chain T; PDBConstruct 5–267; UniProt 1–263

Inositol-1-monophosphatase

Escherichia coli

UniProt P0ADG4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SUHB_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain S; PDBConstruct 5–271; UniProt 1–267

Transcription termination/antitermination protein NusA

Escherichia coli

UniProt A0A4P8BVH6

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A4P8BVH6_ECOLX
Isoform —
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 3–497; UniProt 1–495

Transcription antitermination protein NusB

Escherichia coli

UniProt A0A4P8C5Y7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A4P8C5Y7_ECOLX
Isoform —
PDB entities 4
Chains and sequence ranges Author chain B; PDBConstruct 3–141; UniProt 1–139

30S ribosomal protein S10

Escherichia coli

UniProt A0A073G203

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A073G203_ECOLX
Isoform —
PDB entities 5
Chains and sequence ranges Author chain E; PDBConstruct 4–106; UniProt 1–103

Transcription termination/antitermination protein NusG

Escherichia coli

UniProt V0ZS55

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name V0ZS55_ECOLX
Isoform —
PDB entities 6
Chains and sequence ranges Author chain G; PDBConstruct 4–184; UniProt 1–181

DNA-directed RNA polymerase subunit alpha

Escherichia coli

UniProt P0A7Z4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RPOA_ECOLI
Isoform —
PDB entities 7
Chains and sequence ranges Author chain U; PDBConstruct 1–329; UniProt 1–329 Author chain V; PDBConstruct 1–329; UniProt 1–329

DNA-directed RNA polymerase subunit omega

Escherichia coli

UniProt P0A800

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RPOZ_ECOLI
Isoform —
PDB entities 8
Chains and sequence ranges Author chain W; PDBConstruct 1–91; UniProt 1–91

DNA-directed RNA polymerase subunit beta

Escherichia coli

UniProt P0A8V4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RPOB_ECO57
Isoform —
PDB entities 9
Chains and sequence ranges Author chain X; PDBConstruct 1–1342; UniProt 1–1342

;DNA-directed RNA polymerase subunit beta' ;

Escherichia coli

UniProt S1HM87

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) 30S ribosomal protein S4 × 1 (I2X692) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name S1HM87_ECOLX
Isoform —
PDB entities 10
Chains and sequence ranges Author chain Y; PDBConstruct 1–1407; UniProt 1–1407

30S ribosomal protein S4

Escherichia coli

UniProt I2X692

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Heteromer Protein 12 DNA 2 RNA 1 Inositol monophosphatase × 1 (A0A5B7PBT3) Inositol-1-monophosphatase × 1 (P0ADG4) Transcription termination/antitermination protein NusA × 1 (A0A4P8BVH6) Transcription antitermination protein NusB × 1 (A0A4P8C5Y7) 30S ribosomal protein S10 × 1 (A0A073G203) Transcription termination/antitermination protein NusG × 1 (V0ZS55) DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit omega × 1 (P0A800) DNA-directed RNA polymerase subunit beta × 1 (P0A8V4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (S1HM87) rrnGnut RNA × 1 tDNA × 1 ntDNA × 1 MAGNESIUM ION × 3 ZINC ION × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name I2X692_ECOLX
Isoform —
PDB entities 11
Chains and sequence ranges Author chain C; PDBConstruct 3–208; UniProt 1–206

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id6tqo
Deposition date deposition_date2019-12-17
Structure title titlerrn anti-termination complex
Keywords keywordsrrn, anti-termination complex, RNAP, Nus factors, SuhB, S4, TRANSCRIPTION; TRANSCRIPTION
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

6tqo__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

6tqo__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6tqo__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)60.14 Å
Rg (electron density)60.38 Å
Total Rg60.38 Å
Atom count40993
Residues5056
Excluded volume721820 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6tqo__assembly_1__model_1 pentadecameric (15) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (16)

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6. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

Domain ID domain_id6tqoA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1480 — N Utilization Substance Protein A; Chain:P; domain 4
Homologous superfamily homologous superfamily10 — NusA, N-terminal domain
Domain ID domain_id6tqoA02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily140 — Nucleic acid-binding proteins
Domain ID domain_id6tqoA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily20 — 5' to 3' exonuclease, C-terminal subdomain
Domain ID domain_id6tqoG01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily940 — NusG, N-terminal domain
Domain ID domain_id6tqoY01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology132 — Topoisomerase I; Chain A, domain 4
Homologous superfamily homologous superfamily30 — RNA polymerase Rpb1 funnel domain
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7. Citations (1)